activation
activation — noun
1. the process by which a device, software feature, account, or biological or chemi
the process by which a device, software feature, account, or biological or chemical reaction is switched on so that it begins to function or take effect.
Activation of the new SIM card took only a few minutes at the phone shop.
noun + of + [device]
Anaya read the manual carefully before the activation of her smart speaker.
The fire alarm activation woke every guest in the hotel at three in the morning.
Scientists study the activation of muscle cells during exercise.
Please enter the activation code that we sent to your email address.
- initiation
more formal; suggests a deliberate first step in a longer process
- triggering
stresses a quick cause-and-effect start, often automatic
- startup
informal; mostly used for computers and machines
- deactivation
the direct opposite — switching something off so it no longer works
- shutdown
ending operation, especially of a computer or system
文法句型
activation of [noun]
用法筆記
Almost always uncountable and almost always followed by 'of' or used as a noun modifier (activation code, activation key, activation fee). Rarely used in casual conversation; common in technology, science, and customer-service contexts.